Range finding and flight directing apparatus for use in aircraft



- A. PROCOFIEFF-SEVERSKY 2,027,349

RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 24 Sheetls-$heet 1 I N VEN TOR J Akxander ram/lb)? Jerersk Jan. 7, 1936. PROCOFlEFF-SEVERS'KY RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Opiginal Filed June 18, 1923 24 s eet -sheet 2 IN VENTOR A. PROCOFIEF F-SEVERS KY 2,027,349

RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT "Jan. 7, 1936.

Original Filed Jiine 18, 1925 24 Shets-Sheet 5 IN VEN TOR A /exanoer Pmcafi'ef/Jeueisk;

-' ATTORNE Jan. 7, 1936. A. PROCOFlEFF-SEVERS KY. 2,027,349

RANGE FINDING AND FLIGHT DI RECTING. APPARATUS FOR USE IN AIRCRAFT Original Fiied June is, 1923 24 Shee ts-Sheeg 4 m H i m :3 Q .0 I I 0 Wi g I A 2 1%, I i g 3 8. N QM A l "5 Q ifiyisivrdn v BY x% I 1935- A. PRbCOFlEFF-SEVERS KY 2,027,349

RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 '24 Sheets-Sheet 6 m 0 k v Alexander Pmcofi/fdererak Jan. 7, 1936. A PROCQFlEFF-SEVER SKY 2,027,349

RANGE FINDING AND FLIGHT IDIRECTING APPARATUS FOR USE IN-AIRCRAFT I g 3 original Filed June 18, 1923 24 Sheets-Sheet 7 I N VENTO R Alexander Pmrofi/f Jer wk BY WZ W Tioiw RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 24 Sheets-Sheet a Jan; 7, 1936. A. PYROCOFIIEFFPSEVERSKIY A 2,027,349

RANGE FINDING AND FLIGHT DIRECTING APPARA'IUS FOR USE IN AIRCRAFT ori inal Filed June 18, 1923 24 Sheets-Sheet 9 Jan. 7, 1936. A. PROCOFlEFF-SEVERSKY 2,

RANGE FINDING NND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June- 18, 1925 24 sheets-sheet 1o BY' i 1936. A. PROC OFlEFF-SEVER SKY 2,027,349

RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923' 24 Sheets-Sheet ll Jan. 7, 1936.

A. PRocoHEFF-sEvERsK 2,027,349

RANGE FINDING AND FLIGHT DIREGTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18,1923 24 Sheets-Sheet 12 Jan. 7, 1936. A. PROCOFIEFF-SEVERSKY 2,027,349 1 RANGE FINDING AND FLIGHT DiRECTING APPARATUS FOR USE IN AIRCRM E'T I Original FiledJunq 18, 1923 24 Sheets-Sheet 13 1N VENTOR Ian. 7, 1936. A. PROCOFlEFF-SEVERSKY 7,

RANGE FINDING AND FLIGHT DIRECTI NG APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 4 24 Shets-Sheet 14- Jan. 7, 1936. A. PROCOFlEFF-SEVERSKY 4 RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 24 Sheets-Sheet l5 Jan. 7, 1936. A. PROCOFIEFF-SEVERSKY 9 3 RANGE FiNDING' AND FLIGHT DIRECTING" APPARATUS FQR USE IN AIRCRAFT -0riginal Filed'June 18, 1923 24 sheets-sweetie I N VEN TOR A/exlandr Proco/Y'e/i Jere/'54) z HTORNEY I Jan. T,"T936. V

RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT "Original Filed June 18, 1925 24 Shets-Sheet 17 INVENTOR A. PROCOFIEFF-ISEVERSKYI 2,027,349

Jan. 7, 1936. A. PROCOFIEFF-SEVERSKY I 7,3

RANGE FINDING AND FLIGHT DIREGTING APPARATUS FOR USE IN AIRCRAF Original Filed June 18, 1923 24 sh et sheet l8 'INVENTOR' I fi/exander haw/7e disk/x947 ATTORNEY Jan. A. PROC Z OFIEFF-SEVER SKY 1 9 RANGE FINDING AND FLIGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed Jur le 18, 1923' 24 Sheets-Sheet l9 [NVENTOR Alexander/m6? Jag/sky -A. PROCOF lEFF-SEVER SKY Jan. 7, 1936'.

RA I'IGEZ FI NDING AND FLiGHT DIRECTING APPARATUS FOR USE IN AIRCRAFT Original Filed June 18, 1923 24Sheets-Sheet20 I I N VEN TOR A/exar/der Procafi'el/ Jen/sly 

